Er, um, make them Fl_Double_Windows correctly, not by setting the "class" field.

src/partipanel.H

@@ -3,6 +3,7 @@
 #ifndef partipanel_H
 #define partipanel_H
 #include <FL/Fl.H>
+#include <FL/Fl_Double_Window.H>
 #include <FL/Fl_Pack.H>
 #include <FL/Fl_Group.H>
 #include <FL/Fl_Menu_Button.H>

src/partipanel.cc

@@ -56,13 +56,6 @@ Fl_Double_Window* make_window() {
     w = o;
     o->box(FL_DOWN_BOX);
     o->color(96);
-    o->selection_color(49);
-    o->labeltype(FL_NO_LABEL);
-    o->labelfont(0);
-    o->labelsize(14);
-    o->labelcolor(56);
-    o->align(FL_ALIGN_TOP);
-    o->when(FL_WHEN_RELEASE);
     { Fl_Pack* o = new Fl_Pack(0, 0, 540, 466);
       o->color(96);
       { Fl_Group* o = ppui.toprow = new Fl_Group(0, 0, 540, 37);
@@ -488,15 +481,6 @@ Fl_Double_Window* make_window() {
   }
   { Fl_Double_Window* o = ppui.hrdiagwin = new Fl_Double_Window(280, 230);
     w = o;
-    o->box(FL_FLAT_BOX);
-    o->color(49);
-    o->selection_color(49);
-    o->labeltype(FL_NO_LABEL);
-    o->labelfont(0);
-    o->labelsize(14);
-    o->labelcolor(56);
-    o->align(FL_ALIGN_TOP);
-    o->when(FL_WHEN_RELEASE);
     { Fl_Plot* o = ppui.hrdiag = new Fl_Plot(0, 0, 284, 234);
       o->box(FL_DOWN_BOX);
       o->color(0);

src/partipanel.fl

@@ -7,9 +7,8 @@ decl {\#include "partiview.H"} {}
 Function {make_window()} {open
 } {
   Fl_Window {ppui.mainwin} {open
-    xywh {940 547 540 465} box DOWN_BOX color 96 resizable
-    code0 {o->size_range(101,130);}
-    class Fl_Double_Window visible
+    xywh {859 556 540 465} type Double box DOWN_BOX color 96 resizable
+    code0 {o->size_range(101,130);} visible
   } {
     Fl_Pack {} {open
       xywh {0 0 540 466} color 96 resizable
@@ -297,9 +296,8 @@ specks_commandfmt( &ppui.st, homestr, o->value());}
     }
   }
   Fl_Window {ppui.hrdiagwin} {selected
-    xywh {618 472 280 230} resizable
-    code0 {o->hide();}
-    class Fl_Double_Window visible
+    xywh {618 481 280 230} type Double resizable
+    code0 {o->hide();} visible
   } {
     Fl_Group {ppui.hrdiag} {
       xywh {0 0 284 234} box DOWN_BOX color 0 resizable